哪个是逻辑主语?
There is no doubt that hiking is good for the retired couple, butit remains to be seen whether they will enjoy it.句中哪个是逻辑主语?
参考答案:that 后面的部分
There is no doubt that hiking is good for the retired couple, butit remains to be seen whether they will enjoy it.句中哪个是逻辑主语?
参考答案:that 后面的部分